title: Efficacy of botulinum toxin type A in new daily persistent headache.
authors.forename: Roderick C
authors.initials: RC
authors.lastname: Spears
mesh_terms: D000368:Aged; D019274:Botulinum Toxins, Type A / Q000627:therapeutic use*; D006261:Headache / Q000188:drug therapy*; D006801:Humans; D008297:Male; D009465:Neuromuscular Agents / Q000627:therapeutic use*
chemical_list: D009465:Neuromuscular Agents; D019274:Botulinum Toxins, Type A